[HTML][HTML] Near-Space TOPSAR Large-Scene Full-Aperture Imaging Scheme Based on Two-Step Processing

Q Zhang, J Wu, W Li, Y Huang, J Yang, H Yang - Sensors, 2016 - mdpi.com
Free of the constraints of orbit mechanisms, weather conditions and minimum antenna area,
synthetic aperture radar (SAR) equipped on near-space platform is more suitable for …

An efficient approach with scaling factors for TOPS-mode SAR data focusing

W Xu, P Huang, Y Deng, J Sun… - IEEE Geoscience and …, 2011 - ieeexplore.ieee.org
The Terrain Observation by Progressive Scans (TOPS) mode is a novel spaceborne imaging
mode which can be used to obtain wide-swath coverage and overcome major drawbacks in …

Imaging method of spaceborne TOPS SAR based on ECS and SPECAN

J Sun, H Wang, SC Zheng, ZY Zeng… - 2022 3rd China …, 2022 - ieeexplore.ieee.org
The terrain observation by progressive scans SAR (TOPS SAR) is a new working mode of
spaceborne SAR. While maintaining the advantages of SCANSAR's wide mapping band …

[HTML][HTML] ASTC-MIMO-TOPS mode with digital beam-forming in elevation for high-resolution wide-swath imaging

P Huang, W Xu - Remote Sensing, 2015 - mdpi.com
Future spaceborne synthetic aperture radar (SAR) missions require complete and frequent
coverage of the earth with a high resolution. Terrain Observation by Progressive Scans …

Efficient TOPS mode raw data simulator of extended scenes

L Yang, G Wang, G Lv - IET Radar, Sonar & Navigation, 2016 - Wiley Online Library
The terrain observation by progressive scans (TOPS) mode is a novel wide‐swath imaging
scheme, and it reduces the major drawbacks existing in conventional ScanSAR. An accurate …

Study on full aperture imaging algorithm for airborne TOPS mode

Y Guan, W Chang - IEEE Access, 2018 - ieeexplore.ieee.org
The beam-scan allows the terrain observation by progressive scans (TOPS) mode to cover
large azimuthal scenes in a short time, which also causes aliasing in both Doppler domain …

Wide swath range sweep SAR: gapless imaging of wide scenes that are not parallel to the satellite orbit

K Lv, M Liu - Remote sensing letters, 2022 - Taylor & Francis
Spaceborne stripmap range sweep synthetic aperture radar (SS-RSSAR) can image regions
of interest tilted with the satellite orbit and has great potential in reducing data rates and …

Demonstration of dual-channel TOPS SAR imaging with airborne C-band data

H Fan, Z Zhang, R Wang, N Li, W Xu… - IEEE journal of selected …, 2017 - ieeexplore.ieee.org
Multichannel in azimuth synthetic aperture radar (SAR) operating in the terrain observation
by progressive scans (TOPS) acquisition mode has attracted much attention recently for its …

TOPS mode raw data generation from wide-beam SAR imaging modes

W Xu, Y Deng, F Feng, Y Liu, G Li - IEEE Geoscience and …, 2012 - ieeexplore.ieee.org
A synthetic aperture radar (SAR) raw data simulator of distributed target scenes is an
important tool for testing the system parameters, imaging algorithms, and so on, particularly …

Design and performance analysis of sparse Tops SAR mode

H Bi, G Li, Y Song, J Zhang, D Zhu… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Terrain observation by progressive scans (TOPS) is a novel and promising wide-swath
synthetic aperture radar (SAR) imaging mode, which overcomes the scalloping effect …